Family and neighbourhood socioeconomic inequalities in childhood trajectories of BMI and overweight: longitudinal study of Australian children.

<h4>Background</h4>Socioeconomic inequalities in longitudinal patterning of childhood overweight could cause marked differentials in total burden by adulthood. This study aims to determine timing and strength of the association between socioeconomic status (SES) and children's body...

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Autores principales:	Pauline W Jansen, Fiona K Mensah, Jan M Nicholson, Melissa Wake
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2013
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/38aca28bdc714d8a99d0ebc5eab58a3d
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spelling	oai:doaj.org-article:38aca28bdc714d8a99d0ebc5eab58a3d2021-11-18T09:03:15ZFamily and neighbourhood socioeconomic inequalities in childhood trajectories of BMI and overweight: longitudinal study of Australian children.1932-620310.1371/journal.pone.0069676https://doaj.org/article/38aca28bdc714d8a99d0ebc5eab58a3d2013-01-01T00:00:00Zhttps://www.ncbi.nlm.nih.gov/pmc/articles/pmid/23936075/pdf/?tool=EBIhttps://doaj.org/toc/1932-6203<h4>Background</h4>Socioeconomic inequalities in longitudinal patterning of childhood overweight could cause marked differentials in total burden by adulthood. This study aims to determine timing and strength of the association between socioeconomic status (SES) and children's body mass index (BMI) in the pre- and primary school years, and to examine socioeconomic differences in overweight trajectories across childhood.<h4>Methods</h4>Participants were 4949 children from the Longitudinal Study of Australian Children. BMI was measured at four biennial waves starting at age 4-5 years in 2004. Developmental trajectories of childhood overweight were identified with latent class analyses. Composite variables of family and neighbourhood SES were used.<h4>Results</h4>Socioeconomic differences in mean BMI z-scores already present at age 4-5 more than doubled by age 10-11 years, reflecting decreasing mean BMI among advantaged rather than increasing means among disadvantaged children. Latent class analysis identified children with 'stable normal weight' (68%), and with 'persistent' (15%), 'late-onset' (14%), and 'resolving' overweight (3%). Risks of persistent and late-onset childhood overweight were highest among low SES families (e.g. most disadvantaged quintile: OR(persistent) = 2.51, 95%CI: 1.83-3.43), and only partly explained by birth weight and parental overweight. Relationships with neighbourhood SES were weaker and attenuated fully on adjustment for family SES. No socioeconomic gradient was observed for resolving overweight.<h4>Conclusions</h4>Childhood has become the critical period when socioeconomic inequalities in overweight emerge and strengthen. Although targeting disadvantaged children with early overweight must be a top priority, the presence of childhood overweight even among less-disadvantaged families suggests only whole-society approaches will eliminate overweight-associated morbidity.Pauline W JansenFiona K MensahJan M NicholsonMelissa WakePublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 8, Iss 7, p e69676 (2013)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Pauline W Jansen Fiona K Mensah Jan M Nicholson Melissa Wake Family and neighbourhood socioeconomic inequalities in childhood trajectories of BMI and overweight: longitudinal study of Australian children.
description	<h4>Background</h4>Socioeconomic inequalities in longitudinal patterning of childhood overweight could cause marked differentials in total burden by adulthood. This study aims to determine timing and strength of the association between socioeconomic status (SES) and children's body mass index (BMI) in the pre- and primary school years, and to examine socioeconomic differences in overweight trajectories across childhood.<h4>Methods</h4>Participants were 4949 children from the Longitudinal Study of Australian Children. BMI was measured at four biennial waves starting at age 4-5 years in 2004. Developmental trajectories of childhood overweight were identified with latent class analyses. Composite variables of family and neighbourhood SES were used.<h4>Results</h4>Socioeconomic differences in mean BMI z-scores already present at age 4-5 more than doubled by age 10-11 years, reflecting decreasing mean BMI among advantaged rather than increasing means among disadvantaged children. Latent class analysis identified children with 'stable normal weight' (68%), and with 'persistent' (15%), 'late-onset' (14%), and 'resolving' overweight (3%). Risks of persistent and late-onset childhood overweight were highest among low SES families (e.g. most disadvantaged quintile: OR(persistent) = 2.51, 95%CI: 1.83-3.43), and only partly explained by birth weight and parental overweight. Relationships with neighbourhood SES were weaker and attenuated fully on adjustment for family SES. No socioeconomic gradient was observed for resolving overweight.<h4>Conclusions</h4>Childhood has become the critical period when socioeconomic inequalities in overweight emerge and strengthen. Although targeting disadvantaged children with early overweight must be a top priority, the presence of childhood overweight even among less-disadvantaged families suggests only whole-society approaches will eliminate overweight-associated morbidity.
format	article
author	Pauline W Jansen Fiona K Mensah Jan M Nicholson Melissa Wake
author_facet	Pauline W Jansen Fiona K Mensah Jan M Nicholson Melissa Wake
author_sort	Pauline W Jansen
title	Family and neighbourhood socioeconomic inequalities in childhood trajectories of BMI and overweight: longitudinal study of Australian children.
title_short	Family and neighbourhood socioeconomic inequalities in childhood trajectories of BMI and overweight: longitudinal study of Australian children.
title_full	Family and neighbourhood socioeconomic inequalities in childhood trajectories of BMI and overweight: longitudinal study of Australian children.
title_fullStr	Family and neighbourhood socioeconomic inequalities in childhood trajectories of BMI and overweight: longitudinal study of Australian children.
title_full_unstemmed	Family and neighbourhood socioeconomic inequalities in childhood trajectories of BMI and overweight: longitudinal study of Australian children.
title_sort	family and neighbourhood socioeconomic inequalities in childhood trajectories of bmi and overweight: longitudinal study of australian children.
publisher	Public Library of Science (PLoS)
publishDate	2013
url	https://doaj.org/article/38aca28bdc714d8a99d0ebc5eab58a3d
work_keys_str_mv	AT paulinewjansen familyandneighbourhoodsocioeconomicinequalitiesinchildhoodtrajectoriesofbmiandoverweightlongitudinalstudyofaustralianchildren AT fionakmensah familyandneighbourhoodsocioeconomicinequalitiesinchildhoodtrajectoriesofbmiandoverweightlongitudinalstudyofaustralianchildren AT janmnicholson familyandneighbourhoodsocioeconomicinequalitiesinchildhoodtrajectoriesofbmiandoverweightlongitudinalstudyofaustralianchildren AT melissawake familyandneighbourhoodsocioeconomicinequalitiesinchildhoodtrajectoriesofbmiandoverweightlongitudinalstudyofaustralianchildren
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Family and neighbourhood socioeconomic inequalities in childhood trajectories of BMI and overweight: longitudinal study of Australian children.

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